JPS5262108A - Controlled forging process for increasing surface density of sintered porous metallic product - Google Patents

Controlled forging process for increasing surface density of sintered porous metallic product

Info

Publication number
JPS5262108A
JPS5262108A JP51137420A JP13742076A JPS5262108A JP S5262108 A JPS5262108 A JP S5262108A JP 51137420 A JP51137420 A JP 51137420A JP 13742076 A JP13742076 A JP 13742076A JP S5262108 A JPS5262108 A JP S5262108A
Authority
JP
Japan
Prior art keywords
surface density
forging process
sintered porous
porous metallic
increasing surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP51137420A
Other languages
Japanese (ja)
Inventor
Jiei Kumura Uiriamu
Esu Surusaasukii Ronarudo
Bii Baaku Chiyaaruzu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Textron Inc
Original Assignee
Textron Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Textron Inc filed Critical Textron Inc
Publication of JPS5262108A publication Critical patent/JPS5262108A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B22F3/1109—Inhomogenous pore distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/02—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of piston rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49643—Rotary bearing
    • Y10T29/49679—Anti-friction bearing or component thereof
    • Y10T29/49689—Race making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
    • Y10T29/53857—Central screw, work-engagers around screw
    • Y10T29/53878—Tubular or tube segment forms work-engager
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53991—Work gripper, anvil, or element

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolling Contact Bearings (AREA)
  • Forging (AREA)
  • Powder Metallurgy (AREA)
JP51137420A 1975-11-17 1976-11-17 Controlled forging process for increasing surface density of sintered porous metallic product Pending JPS5262108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/632,709 US4059879A (en) 1975-11-17 1975-11-17 Method for the controlled mechanical working of sintered porous powder metal shapes to effect surface and subsurface densification

Publications (1)

Publication Number Publication Date
JPS5262108A true JPS5262108A (en) 1977-05-23

Family

ID=24536608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51137420A Pending JPS5262108A (en) 1975-11-17 1976-11-17 Controlled forging process for increasing surface density of sintered porous metallic product

Country Status (5)

Country Link
US (1) US4059879A (en)
JP (1) JPS5262108A (en)
CA (1) CA1047805A (en)
DE (1) DE2641899A1 (en)
GB (1) GB1538767A (en)

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FR2371306A1 (en) * 1976-11-17 1978-06-16 Eurotungstene METHOD OF MANUFACTURING ANTI-SLIP METAL STUDS FOR TIRES
US4232436A (en) * 1978-03-31 1980-11-11 Textron Inc. Powder metallurgy production of spherical articles, such as bearing elements
FR2436642A1 (en) * 1978-09-25 1980-04-18 Roulements Soc Nouvelle PROCESS FOR MANUFACTURING A COMPOSITE BEARING RING
US4398407A (en) * 1981-01-26 1983-08-16 Amsted Industries Incorporated Sizing of powder metal parts
US4393563A (en) * 1981-05-26 1983-07-19 Smith David T Cold forced sintered powder metal annular bearing ring blanks
US4708912A (en) * 1984-07-18 1987-11-24 Sintermetallwerk Krebsoege Gmgh Sintered metal body with at least one toothing
DE3440961C1 (en) * 1984-11-09 1986-01-09 Skf Gmbh Process for the production of hardened thrust washers for thrust roller bearings
FR2601186B1 (en) * 1986-07-01 1995-06-23 Sprague France POROUS TANTALUM ANODE FOR TANTALUM CAPACITOR AND MANUFACTURING METHOD THEREOF
DE3605968C1 (en) * 1986-02-25 1987-08-27 Deutsche Forsch Luft Raumfahrt Device for coating the running groove of a ball bearing with a powdery solid lubricant
GB2219359B (en) * 1988-05-30 1992-11-04 Ntn Toyo Bearing Co Ltd Roller elements for machine parts such as roller bearings.
GB2250227B (en) * 1990-10-08 1994-06-08 Formflo Ltd Gear wheels rolled from powder metal blanks
US5711187A (en) * 1990-10-08 1998-01-27 Formflo Ltd. Gear wheels rolled from powder metal blanks and method of manufacture
US5085679A (en) * 1990-11-23 1992-02-04 Owens-Corning Fiberglas Corporation Glass spinner manufacture
US5174143A (en) * 1991-11-05 1992-12-29 Mcdonnell Douglas Corporation Surface densification of porous materials
DE4211319C2 (en) * 1992-04-04 1995-06-08 Plansee Metallwerk Process for the production of sintered iron molded parts with a non-porous zone
AU3154893A (en) * 1992-12-21 1994-07-19 Stackpole Limited Method of producing bearings
US5659955A (en) * 1994-01-21 1997-08-26 Plamper; Gerhard Method of making powder metal helical gears
JP3080297B2 (en) * 1996-04-19 2000-08-21 片山特殊工業株式会社 Method for producing metal sheet and metal sheet produced by the method
SE9602376D0 (en) * 1996-06-14 1996-06-14 Hoeganaes Ab Compact body
US5945050A (en) * 1997-06-24 1999-08-31 Samsung Electro-Mechanics Co., Ltd. Method of fabricating a sintered oilless bearing
US6110419A (en) * 1997-12-02 2000-08-29 Stackpole Limited Point contact densification
US5972132A (en) * 1998-02-11 1999-10-26 Zenith Sintered Products, Inc. Progressive densification of powder metallurgy circular surfaces
US5972521A (en) * 1998-10-01 1999-10-26 Mcdonnell Douglas Corporation Expanded metal structure and method of making same
US6017489A (en) * 1999-02-17 2000-01-25 Federal-Mogul World Wide, Inc. Method of densifying powder metal preforms
US6270259B1 (en) 1999-09-09 2001-08-07 Emerson Electric Co. Powdered metal sintered bearing with improved oil flow polygonal interior bore
SE0002448D0 (en) * 2000-06-28 2000-06-28 Hoeganaes Ab method of producing powder metal components
JP4522619B2 (en) * 2000-08-09 2010-08-11 株式会社ダイヤメット Sintered oil-impregnated bearing, manufacturing method thereof and motor
FR2840552B1 (en) * 2002-06-06 2005-02-18 Escofier Tech Sa COLD FORMING BY ROLLING PIECES OF PRESS-FRITTE MATERIAL
US7160351B2 (en) * 2002-10-01 2007-01-09 Pmg Ohio Corp. Powder metal clutch races for one-way clutches and method of manufacture
US6899846B2 (en) * 2003-01-14 2005-05-31 Sinterstahl Corp.-Powertrain Method of producing surface densified metal articles
US7025928B2 (en) * 2003-07-24 2006-04-11 The Gates Corporation Method of flow forming a metal part
AU2003263136A1 (en) * 2003-08-13 2005-03-07 Technische Universitat Dresden Method for producing internally or externally profiled rings and arrangement therefor
US7416696B2 (en) * 2003-10-03 2008-08-26 Keystone Investment Corporation Powder metal materials and parts and methods of making the same
DE102005027144A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Surface compaction of a toothing
DE102005027049A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Resilient gearing
DE102005027142A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Preform geometry of a toothing
DE102005027050B4 (en) 2005-06-10 2021-12-30 Gkn Sinter Metals Gmbh Motor vehicle component with toothing
DE102005027137A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Gearing made of sintered material
DE102005027054A1 (en) * 2005-06-10 2006-12-28 Gkn Sinter Metals Gmbh Workpiece with different texture
DE102005027140A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Gearing with adapted sintered material
DE102005027907A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Forged toothing
DE102005027048A1 (en) * 2005-06-10 2006-12-14 Gkn Sinter Metals Gmbh Sintered tooth element with locally selective surface compaction
US10144065B2 (en) 2015-01-07 2018-12-04 Kennametal Inc. Methods of making sintered articles
US10046392B2 (en) 2015-03-04 2018-08-14 The Boeing Company Crack-free fabrication of near net shape powder-based metallic parts
JP6964391B2 (en) * 2016-03-10 2021-11-10 Ntn株式会社 Wheel bearing equipment and its manufacturing method
US11065863B2 (en) 2017-02-20 2021-07-20 Kennametal Inc. Cemented carbide powders for additive manufacturing
US11998987B2 (en) * 2017-12-05 2024-06-04 Kennametal Inc. Additive manufacturing techniques and applications thereof
CN113573828B (en) * 2019-03-25 2024-03-01 肯纳金属公司 Additive manufacturing technology and application thereof
CN113020600B (en) * 2021-03-09 2023-01-10 吉凯恩(丹阳)工业有限公司 Powder metallurgy gear rolling densification device

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US1648721A (en) * 1925-01-20 1927-11-08 Bound Brook Oil Less Bearing Method of and machine for forming bodies by pressure
US2225269A (en) * 1938-06-24 1940-12-17 Gen Motors Corp Method of sizing and grooving composite strip material
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US3382693A (en) * 1965-03-02 1968-05-14 Vni Kt I Podshipnikovoi Promy Ring rolling tool
US3230606A (en) * 1965-06-28 1966-01-25 Saito Tadashi Method and apparatus for rolling rings
US3365253A (en) * 1965-11-22 1968-01-23 Federal Mogul Corp Self-aligning antifriction-bearing equipped roller
US3492120A (en) * 1968-01-08 1970-01-27 John Haller Method of making composite light-weight anti-friction bearing
US3803890A (en) * 1969-12-31 1974-04-16 Nat Res Dev Rolling machines
US3626564A (en) * 1970-02-26 1971-12-14 Lear Siegler Inc Manufacture of bearing races
US3831241A (en) * 1972-12-01 1974-08-27 Torrington Co Radial and thrust bearing and method of making same
US3782794A (en) * 1972-12-08 1974-01-01 Textron Inc Antifriction bearing

Also Published As

Publication number Publication date
US4059879A (en) 1977-11-29
CA1047805A (en) 1979-02-06
DE2641899A1 (en) 1977-05-18
GB1538767A (en) 1979-01-24

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